CN115972500A - An intelligent feeding device for an injection molding machine - Google Patents

Abstract

The invention discloses an intelligent feeding device of an injection molding machine, belonging to the technical field of feeding of injection molding machines, comprising: the storage silo, the storage silo has the mechanism of moulding plastics through unloading union coupling, the unloading pipe include with first unloading pipe that the storage silo is connected, with the second unloading pipe that the mechanism of moulding plastics is connected and set up perpendicularly first unloading pipe and second and the ration passageway between the unloading pipe, first unloading pipe with second unloading pipe dislocation set, slidable mounting has the ration bin in the ration passageway, the ration bin is kept away from second unloading pipe side-mounting has and to be plugged up the baffle of first unloading pipe. According to the injection molding machine, materials in the storage bin are fed into the quantitative bin, and the quantitative bin is conveyed to the second feeding pipe through the quantitative channel after being filled and is input into the injection molding mechanism, so that the materials conveyed each time are the volume in the quantitative bin, and the quantitative accuracy is guaranteed.

Description

An intelligent feeding device for an injection molding machine

technical field

The invention belongs to the technical field of injection molding machine feeding, and in particular relates to an intelligent feeding device for injection molding machines.

Background technique

Injection molding machine is the main molding equipment for making thermoplastics or thermosetting plastics into various shapes of plastic products using plastic molding molds. The injection molding cycle includes: quantitative feeding-melting plasticization-pressure injection-filling mold cooling-opening mold Pickup.

In the existing technology, quantitative feeding is generally carried out through a feeding device. For example, Chinese patent CN 108790040 B discloses a feeding device for an injection molding machine, which provides a belt for an injection molding machine with complete functions, complete feeding, and convenient waste gas treatment. Feeding equipment for exhaust gas treatment functions. It includes an injection molding device, a fixed frame, a first gear, a first rotating shaft, a first rack, a sector gear, a second rack, a first moving piece, a feeding channel, a second moving piece, a feeding trough, a first Moving bar, guide rail, motor, second moving bar, connection block, pin shaft.

In view of the above technology, although the feeding equipment for injection molding machine can make the material between the first moving piece and the second moving piece move quantitatively, but because the speed of material unloading is uncontrollable, the quantitative standard exists Deviations lead to deviations in the measurement of raw materials.

Therefore, it is necessary to propose an intelligent feeding device for injection molding machines to solve the above problems.

Contents of the invention

In view of this, the purpose of the present invention is to provide an intelligent feeding device for injection molding machines, which is used to solve the problem of inaccurate quantitative feeding of materials in the prior art.

To achieve the above object, the present invention provides the following technical solutions:

The invention provides an intelligent feeding device for an injection molding machine, comprising: a storage bin, the storage bin is connected with an injection molding mechanism through a feeding tube, and the feeding tube includes a first feeding tube connected to the storage bin tube, the second feeding tube connected with the injection molding mechanism, and the quantitative channel vertically arranged between the first feeding tube and the second feeding tube, the first feeding tube and the second feeding tube The tubes are arranged in dislocation, and a quantitative bin is slidably installed in the quantitative passage, and a baffle plate capable of blocking the first feeding pipe is installed on the side of the quantitative bin far away from the second feeding pipe.

Further, an extruding mechanism is installed in the first feeding pipe, and the extruding mechanism includes a drainage plate for accepting materials falling from the storage bin, and a drainage tube is connected to the end of the drainage plate away from the storage bin , the first feeding pipe is fixedly connected with an annular plate, the drainage pipe is slidably connected through the annular plate, and the end of the drainage pipe away from the storage bin is connected with an extruding plate, and the extruding plate is provided with An empty slot, a slide plate is slidably connected in the empty slot, and a limit rod is fixedly connected to the slide plate, and the limit rod is slidably connected with the extrusion plate, and the space between the drainage plate and the annular plate A spring is connected, a driving mechanism is installed on the outside of the first feeding tube, the output end of the driving mechanism is connected to an output shaft, and the end of the output shaft extending to the inside of the first feeding tube is connected to a cam, and the cam abut against the drain plate.

Further, the inner hole side of the annular plate is rotatably connected with a rotating sleeve, the drainage tube is connected with the key of the rotation sleeve, the drainage tube is connected with the limiting rotation of the drainage plate, and the output shaft is fixedly connected with a second A helical gear, the first helical gear is located in the first feeding pipe, the inner side of the annular plate is provided with an annular groove, and the second helical gear meshing with the first helical gear is rotatably connected in the annular groove , the second helical gear is fixedly connected with the rotating sleeve.

Further, two mounting plates are slidably arranged in the quantitative channel, the quantitative chamber is formed between the two mounting plates and the quantitative channel, and a two-way screw is threaded on the mounting plate, and turning the two-way screw can make the The two mounting plates are close to or apart from each other.

Further, a bottom plate is installed on the side away from the quantitative chamber of the installation plate, and a vibration mechanism is installed on the bottom plate, and the vibration mechanism is used to strike the installation plate to vibrate the installation plate.

Further, the vibration mechanism includes: a motor, the output end of the motor is fixedly connected with a connecting shaft, the connecting shaft is fixedly connected with an eccentric wheel, the bottom plate is provided with a chute, and the chute is slidably installed with a The first slide plate provided by the eccentric wheel and the second slide plate arranged close to the mounting plate, the first elastic member is connected between the first slide plate and the second slide plate, the first slide plate and the inner wall of the chute A second elastic member is connected therebetween.

Further, an inductor for sensing the action of the drainage plate or the drainage tube is installed in the first feeding pipe, the sensor is connected with a good processing module and a controller, and the quantitative bin is connected with a sensor for driving the quantitative bin. A reciprocating drive assembly is electrically connected to the controller.

Further, the sizes of the first feeding tube and the second feeding tube are larger than the size of the quantitative bin.

The beneficial effects of the present invention are:

In the present invention, the materials in the storage bin are fed into the quantitative bin, and after the quantitative bin is full, they are transported to the second feeding pipe through the quantitative channel and input into the injection molding mechanism, so that the materials transported each time are in the quantitative bin. The volume ensures the quantitative accuracy.

Other advantages, objects and features of the present invention will be set forth in the following description, and to some extent will be obvious to those skilled in the art, or can be taught by the practice of the present invention to those skilled in the art. The objects and other advantages of the invention may be realized and attained by the following specification.

Description of drawings

In order to make the purpose, technical scheme and beneficial effect of the present invention clearer, the present invention provides the following drawings for illustration:

Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;

Fig. 2 is the enlarged view of part A of the embodiment of the present invention;

Fig. 3 is an enlarged view of part B of the embodiment of the present invention.

The marks in the accompanying drawings are as follows: 1, storage bin; 2, feeding pipe; 201, the first feeding pipe; 202, the second feeding pipe; 203, quantitative passage; , injection molding mechanism; 4, quantitative warehouse; 401, baffle plate; 5, extrusion mechanism; 501, drainage plate; 502, drainage tube; 503, annular plate; 504, extrusion plate; 507, limit rod; 508, spring; 509, driving mechanism; 510, output shaft; 511, cam; 512, the first helical gear; 513, annular groove; 514, the second helical gear; 515, rotating sleeve; Vibration mechanism; 601, motor; 602, connecting shaft; 603, eccentric wheel; 604, first slide plate; 605, second slide plate; 606, first elastic member; 607, second elastic member.

Detailed ways

As shown in Figures 1 to 3, the present invention provides an intelligent feeding device for injection molding machines, including: a storage bin 1, the storage bin 1 is connected to an injection molding mechanism 3 through a feeding pipe 2, and the feeding pipe 2 Including the first feeding pipe 201 connected with the storage bin 1, the second feeding pipe 202 connected with the injection molding mechanism 3, and the vertically arranged between the first feeding pipe 201 and the second feeding pipe 202 Quantitative passage 203, the first feeding pipe 201, the second feeding pipe 202, and the quantitative passage 203 are communicated with each other, the first feeding pipe 201 and the second feeding pipe 202 are misplaced, and the quantitative passage 203 A quantitative bin 4 cooperating with the quantitative channel 203 is slidably installed, and the quantitative bin 4 is provided with a baffle plate 401 that can block the first feeding pipe 201 away from the side of the second feeding pipe 202. Quantitative bin 4 is used to accept the materials falling from the first feeding pipe 201 and slide to the second feeding pipe 202 so that the materials slide down into the injection molding mechanism 3 along the second feeding pipe 202,

The working principle of the above technical solution: as shown in Figure 1, when the injection molding mechanism 3 is unloaded by the feeding device, the material in the storage bin 1 falls into the quantitative bin 4 along the first feeding pipe 201, and the quantitative bin 4 is filled. , push the quantitative bin 4 to slide in the quantitative passage 203, after the quantitative bin 4 slides out of the first feeding pipe 201, the first feeding pipe 201 is blocked by the baffle plate 401 on the side wall of the quantitative bin 4, and the quantitative bin 4 slides to After the second feeding pipe 202 goes above, the material in the quantitative bin 4 is input into the injection molding mechanism 3 along the second feeding pipe 202 .

The beneficial effect of the above technical solution: by feeding the material in the storage bin 1 into the quantitative bin 4, after the quantitative bin 4 is filled, it is transported to the second feeding pipe 202 through the quantitative channel 203 and input into the injection molding mechanism 3, The material transported each time is the volume in the quantitative bin 4, which ensures quantitative accuracy.

In one embodiment of the present invention, an extruding mechanism 5 is installed in the first feeding pipe 201, and the extruding mechanism 5 includes a drain plate 501, which is used to receive the material dropped by the storage bin 1. material, the drain plate 501 is connected with a drain tube 502 away from the end of the storage bin 1, the first feeding tube 201 is fixedly connected with an annular plate 503, and the drain tube 502 is slidably connected through the annular plate 503 The end of the drainage pipe 502 far away from the storage bin 1 is connected with an extrusion plate 504, the extrusion plate 504 is provided with an empty groove 505, and the material dropped by the drainage pipe 502 flows out from the empty groove 505, and the A slide plate 506 is slidably connected in the hollow groove 505, and a limit rod 507 is fixedly connected to the slide plate 506. The limit rod 507 is slidably connected to the extrusion plate 504. state of the spring 508, one end of the spring 508 is fixedly connected to the diversion plate 501, and the other end is fixedly connected to the annular plate 504, and a driving mechanism 509 is installed on the outside of the first feeding tube 201, and the driving mechanism 509 The output end is connected with an output shaft 510, and the drive mechanism 509 is used to drive the output shaft 510 to rotate. The output shaft 510 extends into the first feeding pipe 201 and is fixedly connected with a cam 511, and the cam 511 is connected to the The above-mentioned flow guide plate 501 abuts against.

The working principle of the above technical solution: as shown in Figure 2, when the storage bin 1 is unloading, the drainage plate 501 can block the discharge port of the storage bin 1, and the material falls from the inside of the drainage plate 501 and the drainage pipe 502 to the quantitative bin 4 At the same time, start the drive mechanism 509 to drive the output shaft 510 to rotate, thereby driving the cam 511 to rotate. The cam 511 is always in contact with the drain plate 501 under the action of the spring 508. When the cam 511 rotates, it drives the drain plate 501 to move up and down, and the drain plate When 501 moves downward, the discharge port of storage bin 1 is opened so that the material can flow into the drainage plate 501, thereby driving the drainage tube 502 and the extrusion plate 504 to move up and down, and when the material falls from the inside of the drainage tube 502, it falls on the slide plate 506 , now the slide plate 506 is out of the empty slot 505, and the slide plate 506 is connected with the extruding plate 504 under the connection of the limit rod 507. When the slide plate 506 breaks away from the empty slot 505, a gap is formed between the empty slot 505, so that the material can flow from The gap flows out, and the extrusion plate 504 moves up and down to squeeze the material below the extrusion plate 504. During the downward movement of the extrusion plate 504, the extrusion plate 504 continues downward until the sliding plate 506 contacts the material below. Move, now slide plate 506 and stop rod 507 slide towards the inner side of empty slot 505, and block the gap between slide plate 506 and empty slot 505. At this time, extrusion plate 504 and slide plate 506 squeeze the material so that the material can Fill the quantitative bin 4 and compact the material.

Beneficial effects of the above technical solution: By setting the extrusion plate 504 and the slide plate 506 to move up and down to squeeze the material, the material falling in the quantitative bin 1 can be compacted, and the density of the material falling in the quantitative bin 1 is guaranteed, thereby avoiding The problem of low measurement accuracy of the material in the quantitative bin 1 caused by the different density is solved; the drainage plate 501 and the drainage tube 502 are moved up and down by setting the driving mechanism 509, so that the material falls more easily and avoids clogging; by setting the spring 508 , to ensure that the cam 511 is always in contact with the drainage plate 501 and ensure the stability of the drainage plate 501 moving up and down.

In one embodiment of the present invention, the output shaft 510 is fixedly connected with a first helical gear 512, the first helical gear 512 is located in the first feeding pipe 201, and the inner side of the annular plate 503 is provided with An annular groove 513, in which a second helical gear 514 is rotatably connected, the second helical gear 514 meshes with the first helical gear 512, and a rotating sleeve 515 is fixedly connected to the second helical gear 514 , the rotating sleeve 515 is rotatably connected to the inner hole side of the annular plate 503, the drainage tube 502 passes through the rotating sleeve 515 and is keyed to the rotating sleeve 515, and the drainage tube 502 is connected with the drainage The plate 501 is limited in rotation.

The working principle of the above technical solution: as shown in Figure 2, when the output shaft 510 rotates, it drives the first helical gear 512 to rotate, thereby driving the second helical gear 514 to rotate, thereby driving the rotating sleeve 515 to rotate, thereby driving the drainage tube 502 to rotate, because the drainage tube 502 is connected with the limiting rotation of the drainage plate 501, so that when the drainage plate 501 drives the drainage tube 502 to move up and down, the drainage tube 502 can rotate, thereby causing the extrusion plate 504 and the slide plate 506 to rotate, so that from between the slide plate 506 and the empty groove 505 The material falling in the gap rotates and falls.

Beneficial effects of the above technical solution: by setting the rotating sleeve 515 to drive the drainage tube 502 to rotate, the materials falling from the gap between the slide plate 506 and the empty groove 505 are rotated and dropped, preventing the directly falling materials from forming hills, and ensuring that the falling materials are more stable. Uniform and high flatness, when extruding the material through the extruding plate 507 and the sliding plate 506, it can effectively avoid the low compaction caused by the gap between the hill-shaped materials, thereby further improving the quality of the quantitative chamber 4. The consistency of material measurement ensures accurate measurement.

In one embodiment of the present invention, two mounting plates 204 are slidably arranged in the quantitative channel 203, and the quantitative chamber 4 is formed between the two mounting plates 204 and the quantitative channel 203. A two-way screw 205 is threaded, and the two mounting plates 204 are respectively threaded on opposite threads of the two-way screw 205 .

The working principle and beneficial effects of the above-mentioned technical solution: turning the two-way screw 205 can drive the two mounting plates 204 to approach or move away from each other, thereby playing the role of adjusting the volume of the quantitative chamber 4, and can adjust the whole, so as to realize different metering Quantitatively, the scope of application has been improved.

In one embodiment of the present invention, a bottom plate 205 is installed on the side of the mounting plate 204 away from the quantitative bin 4, and a vibrating mechanism 6 is installed on the bottom plate 205, and the vibrating mechanism 6 is used to strike the mounting plate 204 so that The mounting plate 204 vibrates.

The working principle and beneficial effects of the above-mentioned technical scheme: by setting the vibrating mechanism 6, the materials falling in the quantitative bin 4 are vibrated evenly, which further ensures the flatness of the materials falling in the quantitative bin 4, thereby facilitating the filling of the materials. The quantitative bin 4 further ensures the accuracy of measurement; and when the quantitative bin 4 moves to the second feeding pipe 202, the vibrating mechanism 6 makes the materials in the quantitative bin 4 vibrate and fall, ensuring that the materials in the quantitative bin 4 It can fall completely, preventing powdery materials from adhering to the mounting plate 204 .

In one embodiment of the present invention, the vibration mechanism 6 includes: a motor 601, the output end of the motor 601 is fixedly connected with a connecting shaft 602, the connecting shaft 602 is fixedly connected with an eccentric wheel 603, and the bottom plate 205 A chute 206 is provided on the chute 206. A first slide plate 604 and a second slide plate 605 are slidably installed on the slide slot 206. A first elastic member 606 is connected between the first slide plate 604 and the second slide plate 605. The first slide plate 604 is connected to the second slide plate 605. A sliding plate 604 is disposed close to the eccentric wheel 603 , the second sliding plate 605 is disposed close to the mounting plate 204 , and a second elastic member 607 is connected between the first sliding plate 604 and the inner wall of the chute 206 .

The working principle and beneficial effects of the above technical solution: as shown in Figure 3, the starter motor 601 drives the connecting shaft 602 and the eccentric wheel 603 to rotate, so that the eccentric wheel 603 drives the first slide plate 604, the first elastic member 606 and the second slide plate 605 to slide, The second sliding plate 605 hits the mounting plate 204 to realize the vibration of the mounting plate 204; and by setting the second elastic member 607, the first sliding plate 604 is always in contact with the eccentric wheel 604, ensuring the stability of the sliding of the first sliding plate 604 property; by setting the first elastic member 606, when the first slide plate 604 drives the second slide plate 605 to move and hit the installation plate 204, the first elastic member 606 plays a buffering role, avoiding the impact on the installation plate 204 and causing the installation plate 204 damaged.

In one embodiment of the present invention, the first feeding pipe 201 is equipped with an inductor for sensing the action of the drainage plate 501 or the drainage tube 502, and the sensor is connected with a signal processing module, and the sensor is passed through The signal transmission module transmits the induction signal to the signal processing module, and the signal processing module is electrically connected with a controller, and the quantitative chamber 4 is connected with a driving assembly for driving the quantitative chamber 4 to reciprocate, and the driving assembly is connected to the The controller is electrically connected.

The working principle of the above technical solution: after the material falls into the first feeding pipe 201, the material is squeezed through the extrusion plate 504 and the sliding plate 506 until the quantitative bin 4 is filled, and the first feeding pipe 201 is also filled at this time. At this time, the extrusion plate 504 cannot move, so that the rotation of the cam 511 cannot drive the drainage plate 501 to move. At this time, the sensor senses that the drainage plate 501 or the drainage tube 502 stops moving, which means that the material in the quantitative bin 4 is full. , the sensor transmits the induction signal to the signal processing module through the signal transmission module, and the signal processing module transmits the processed signal to the controller, and the controller starts the drive assembly to drive the quantitative bin 4 to move to the second feeding pipe 202, After the material falls completely, the driving assembly drives the quantitative bin 4 to return to the lower side of the first feeding pipe 201 .

Beneficial effects of the above technical solution: by setting the sensor to sense the action of the drainage plate 501 or the drainage tube 502 to identify whether the quantitative chamber 4 is full, the intelligent effect is improved.

In an embodiment of the present invention, the sizes of the first feeding tube 201 and the second feeding tube 202 are both larger than the size of the quantitative bin 4 .

The working principle and beneficial effects of the above technical solution: ensure that the material can fill the quantitative bin 4 and can completely fall from the quantitative bin 4 to the second feeding pipe 202 .

Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can be described in terms of form and Various changes may be made in the details without departing from the scope of the invention defined by the claims.

Claims (8)

1. An intelligent feeding device for an injection molding machine, comprising a storage bin connected to an injection molding mechanism through a feeding pipe, characterized in that: the feeding pipe includes a first The feeding tube, the second feeding tube connected with the injection molding mechanism, and the quantitative channel vertically arranged between the first feeding tube and the second feeding tube, the first feeding tube and the second feeding tube The feeding pipe is arranged in a misplaced position, and a quantitative bin is slidably installed in the quantitative channel, and a baffle plate capable of blocking the first feeding pipe is installed on the side of the quantitative bin far away from the second feeding pipe. 2. The intelligent feeding device of injection molding machine according to claim 1, characterized in that: an extruding mechanism is installed in the first unloading pipe, and the extruding mechanism includes a mechanism for receiving materials dropped from the storage bin. A drainage plate, the drainage plate is connected with a drainage tube away from the end of the storage bin, an annular plate is fixedly connected in the first feeding tube, the drainage tube is slidably connected through the annular plate, and the drainage tube is far away from the The end of the storage bin is connected with an extruding plate, and the extruding plate is provided with an empty slot, and a sliding plate is slidably connected in the empty slot, and the sliding plate is fixedly connected with a limiting rod, and the limiting rod is connected with the extruding rod. The pressure plate is limited and slidingly connected, a spring is connected between the drainage plate and the annular plate, a driving mechanism is installed on the outside of the first feeding pipe, the output end of the driving mechanism is connected to an output shaft, and the output shaft One end extending to the inner side of the first feeding tube is connected with a cam, and the cam abuts against the flow guide plate. 3. The intelligent feeding device for injection molding machine according to claim 2, characterized in that: the inner hole side of the annular plate is rotatably connected with a rotating sleeve, the drainage tube is connected with the rotation sleeve key, and the drainage tube is connected with the rotation sleeve. The diversion plate is limited and rotatably connected, and the output shaft is fixedly connected with a first helical gear, the first helical gear is located in the first feeding pipe, an annular groove is provided inside the annular plate, and the annular A second helical gear engaged with the first helical gear is rotatably connected in the groove, and the second helical gear is fixedly connected with the rotating sleeve. 4. The intelligent feeding device for injection molding machine according to claim 1, characterized in that: two mounting plates are slidingly arranged in the quantitative channel, and the quantitative chamber is formed between the two mounting plates and the quantitative channel, A two-way screw is threaded on the mounting plate, and turning the two-way screw can make the two mounting plates approach or move away from each other. 5. The intelligent feeding device for injection molding machine according to claim 4, characterized in that: the mounting plate is equipped with a bottom plate away from the quantitative chamber, and a vibration mechanism is installed on the bottom plate, and the vibration mechanism is used to hit the Mount the plate to vibrate the mounting plate. 6. The intelligent feeding device for injection molding machine according to claim 5, characterized in that: the vibration mechanism comprises: a motor, the output end of the motor is fixedly connected with a connecting shaft, and the connecting shaft is fixedly connected with an eccentric wheel, A chute is provided on the bottom plate, and a first slide plate set close to the eccentric wheel and a second slide plate set close to the mounting plate are slidably installed on the chute, and between the first slide plate and the second slide plate A first elastic piece is connected, and a second elastic piece is connected between the first sliding plate and the inner wall of the chute. 7. The intelligent feeding device for injection molding machine according to claim 2, characterized in that: an inductor for sensing the action of the drainage plate or the drainage tube is installed in the first feeding tube, and the sensor is connected with a letter A processing module and a controller, the quantitative chamber is connected with a driving assembly for driving the quantitative chamber to reciprocate, and the driving assembly is electrically connected with the controller. 8 . The intelligent feeding device for injection molding machine according to claim 1 , characterized in that: the size of the first feeding tube and the second feeding tube are larger than the size of the quantitative bin.

Images